A
Is Delta Air Lines on time Ontario to Salt Lake City?
902 flights · January 2025 – August 2026 · all airlines on ONT to SLC →
91.69%
Arrived on time
Route average 91.69%
1.11%
Cancelled
Route average 0.89%
83 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| SkyWest Airlines | 307 | 92.16% | A |
| Frontier Airlines | 30 | 86.67% | — |
Month by month
Jul 2025
peak 96
Jun 2026